Triple

T375063
Position Surface form Disambiguated ID Type / Status
Subject Broad Street Station (Philadelphia) E8352 entity
Predicate connectedTo P37 FINISHED
Object Suburban Station (via later PRR realignments and replacement)
Suburban Station is a major underground commuter rail hub in Center City Philadelphia that serves as a key stop on SEPTA’s Regional Rail network.
E47894 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Suburban Station (via later PRR realignments and replacement) | Statement: [Broad Street Station (Philadelphia), connectedTo, Suburban Station (via later PRR realignments and replacement)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Suburban Station (via later PRR realignments and replacement)
Context triple: [Broad Street Station (Philadelphia), connectedTo, Suburban Station (via later PRR realignments and replacement)]
  • A. Corry Station
    Corry Station is a U.S. Navy installation in Escambia County, Florida, primarily known as a training center for information warfare, cryptology, and related technical fields.
  • B. Pennsylvania Station (Baltimore)
    Pennsylvania Station (Baltimore) is the main intercity and regional rail hub in Baltimore, Maryland, serving Amtrak and commuter trains along the Northeast Corridor.
  • C. New Brunswick station
    New Brunswick station is a major New Jersey Transit and Amtrak rail station on the Northeast Corridor line serving the city of New Brunswick, New Jersey.
  • D. Ayer station
    Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
  • E. Penn Station (Light RailLink)
    Penn Station (Light RailLink) is a light rail station in Baltimore that serves as a key transit stop adjacent to the city’s main intercity train terminal, Baltimore Penn Station.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Suburban Station (via later PRR realignments and replacement)
Triple: [Broad Street Station (Philadelphia), connectedTo, Suburban Station (via later PRR realignments and replacement)]
Generated description
Suburban Station is a major underground commuter rail hub in Center City Philadelphia that serves as a key stop on SEPTA’s Regional Rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Suburban Station (via later PRR realignments and replacement)
Target entity description: Suburban Station is a major underground commuter rail hub in Center City Philadelphia that serves as a key stop on SEPTA’s Regional Rail network.
  • A. Corry Station
    Corry Station is a U.S. Navy installation in Escambia County, Florida, primarily known as a training center for information warfare, cryptology, and related technical fields.
  • B. Pennsylvania Station (Baltimore)
    Pennsylvania Station (Baltimore) is the main intercity and regional rail hub in Baltimore, Maryland, serving Amtrak and commuter trains along the Northeast Corridor.
  • C. New Brunswick station
    New Brunswick station is a major New Jersey Transit and Amtrak rail station on the Northeast Corridor line serving the city of New Brunswick, New Jersey.
  • D. Ayer station
    Ayer station is a commuter rail stop in Ayer, Massachusetts that serves as a local transit hub on the MBTA Fitchburg Line.
  • E. Penn Station (Light RailLink)
    Penn Station (Light RailLink) is a light rail station in Baltimore that serves as a key transit stop adjacent to the city’s main intercity train terminal, Baltimore Penn Station.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a2e7f2ec648190b42bc7db424f8109 completed Feb. 28, 2026, 1:04 p.m.
NER Named-entity recognition batch_69a2ec1585648190943f1c698e9b2d81 completed Feb. 28, 2026, 1:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69a3f4dbf49081908ccd464668483b77 completed March 1, 2026, 8:12 a.m.
NEDg Description generation batch_69a3f6d18c488190ab509ded4d5b0367 completed March 1, 2026, 8:20 a.m.
NED2 Entity disambiguation (via description) batch_69a3fa368edc8190ac00be2189df7cf9 completed March 1, 2026, 8:35 a.m.
Created at: Feb. 28, 2026, 1:08 p.m.